April 16, 2026 · Form 4 insider transaction
Makhni Svetlana Ni bought 800,000 shares of Prime Medicine, Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.
25% of the shares underlying this option shall vest on April 16, 2027 and the balance will vest monthly in equal instalments over the following 36 months, subject to the Reporting Person's continued service on each such vesting date.